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YLG20Z-84
Blait
ABOUT US
Zhejiang Briliant Refrigeration Equipment Co., Ltd. is a professional manufacturing enterprise specializing in the design, research and development, production and sales of compressors. The production base is located in Xinchang County, Zhejiang Province. Founded in 2013, the company has an independent R&D center in Hangzhou, Zhejiang Province, with its own R&D team composed of experienced refrigeration engineers. The team members have high academic qualifications and relevant work experience, deeply researching refrigeration technologies and accumulating extensive experience in the field. They are proficient in refrigeration system design, thermodynamic analysis, and refrigerant selection.From product design to prototype development, and experimental verification, we strictly follow a systematic process to ensure the quality and performance of the products are optimized. We pay close attention to detail and collaborate with universities such as China Jiliang University, Xi'an Jiaotong University, and Tianjin University of Commerce to continuously improve and optimize technical solutions. As a result, we have developed a series of efficient and energy-saving refrigeration compressor products, providing our customers with mature and reliable solutions.
FLEXIBLE UNIT PRODUCTION LINE
Features of the flexible unit production line
Reduces the labor intensity of personnel and greatly improves work efficiency.
The machine provides automatic liquid supply and liquid return, saving energy and being environmentally friendly with zero pollution.
Reduces the work area and avoids unnecessary occupying of space.
Flexibly adjusts the production of products, increasing product versatility
The production line can quickly generate and collect production data, providing effective support for planned production
Lays a good foundation for future digital production.
APPLICATION
Cold-chain transportation
Refrigeration compressors are used in logistics centers for refrigerated vehicles and cold storage facilities. They are used to maintain the appropriate temperature of goods during transportation, ensuring the quality and safety of the goods.
commercial refrigeration
Refrigeration compressors are used in supermarkets and convenience stores for refrigeration and freezing equipment, such as refrigerators, freezers, and refrigerated shelves, etc. They can maintain the appropriate temperature for food and beverages, ensuring the freshness and quality of the products.
Medical refrigeration
In pharmaceutical refrigeration, the compressor is the core component of pharmaceutical refrigeration equipment, mainlThe performance test station has also been calibrated by a nationally recognized metrology testing center to verify the rationality of the design, manufacturing, and assembly of the refrigeration compressors, ensuring that the performance index of the refrigeration compressors meets the industry's advanced standards!y used to provide refrigeration effect, ensure the storage and transportation of drugs within the appropriate temperature range, thereby ensuring the quality and effectiveness of drugs.
industrial refrigeration
Refrigeration compressors play an important role in industrial fields such as high & low temperature alternating test chambers. They are usually used to simulate different environmental temperature conditions for testing and evaluating products in industries such as electronics, automotive, aerospace, etc., providing stable and reliable refrigeration effects to ensure the performance and reliability of products under different temperature conditions.
R & D STRENGTH
Briliant's professional production and processing technology and outstanding design quality are the cornerstones and premise of Briliant's refrigeration industry. Briliant adheres to the scientific testing method, which is the best quality assurance and commitment of Briliantto customers. Briliant will open the first brand of refrigeration compressors, so that customers can truly understand the true meaning of quality.“GB/T10079-2018Single-stage reciprocating refrigerant compressor (unit)” new national standard for the first time put forward the concept of "accelerated life", mainly for the domestic industry generally on the compressor body, crankshaft and other materials on the application of low standards, strict requirements, appeared It can be used at the beginning, and after a period of time, the quality of the life cycle is generally severely declining. The new national standard stipulates that the range of noise and cooling capacity in the life cycle of the compressor does not exceed 3dB(A) and 5% of the new machine respectively.
TESTING CENTER
Briliant insists on scientific and professional testing methods constantly. The company has built three refrigeration compressor performance testing stations and an online testing assembly line. The refrigeration compressor performance testing stations covering semi-hermetic refrigeration piston compressors and semi-hermetic refrigeration screw compressors. Our online testing process covers key parameters such as airtightness testing, forward and reverse voltage, current, oil pressure, and volume flow rate for each refrigeration compressor. We also monitor and record the performance of refrigeration compressors under different operating conditions in real-time. By obtaining real-time data five times and generating an average value, we can more accurately evaluate the conventional performance indicators of refrigeration compressors, ensuring that each refrigeration compressor leaves the factory without any quality defects.The refrigeration compressor performance testing stations differ from the online testing assembly line in that the former adopts imported high-precision measuring instruments. The performance testing stations are built based on the “GB/T5773-2004The method of performance test for positive displacement refrigerant compressors” and the refrigeration compressor performance testing is conducted based on the " GB/T 10079-2018 Single-stage reciprocating refrigerant compressor(unit) "and" GB/T19410-2018 Screw refrigeration compressor".
FEATURES & ADVANTAGES
The new body is optimized in structure design, with a novel appearance and high structural strength, improved durability with cylinder bore hardening process.
The new cylinder head is optimized in structure design, reducing exhaust pulses and lowering operating noise.
The new valve plate is optimized in structure design, improving exhaust efficiency and enhancing shock resistance.
The new bearing is optimized in structure design, increasing lubrication effectiveness and reducing the risk of shaft seizure.
The new motor is optimized in structure design, improving operational efficiency, increasing overload capacity, and expanding the operating range.
The new piston optimizes the piston structure and reduces the clearance volume.
Thinner piston ring design reduces friction loss.
ABOUT US
Zhejiang Briliant Refrigeration Equipment Co., Ltd. is a professional manufacturing enterprise specializing in the design, research and development, production and sales of compressors. The production base is located in Xinchang County, Zhejiang Province. Founded in 2013, the company has an independent R&D center in Hangzhou, Zhejiang Province, with its own R&D team composed of experienced refrigeration engineers. The team members have high academic qualifications and relevant work experience, deeply researching refrigeration technologies and accumulating extensive experience in the field. They are proficient in refrigeration system design, thermodynamic analysis, and refrigerant selection.From product design to prototype development, and experimental verification, we strictly follow a systematic process to ensure the quality and performance of the products are optimized. We pay close attention to detail and collaborate with universities such as China Jiliang University, Xi'an Jiaotong University, and Tianjin University of Commerce to continuously improve and optimize technical solutions. As a result, we have developed a series of efficient and energy-saving refrigeration compressor products, providing our customers with mature and reliable solutions.
FLEXIBLE UNIT PRODUCTION LINE
Features of the flexible unit production line
Reduces the labor intensity of personnel and greatly improves work efficiency.
The machine provides automatic liquid supply and liquid return, saving energy and being environmentally friendly with zero pollution.
Reduces the work area and avoids unnecessary occupying of space.
Flexibly adjusts the production of products, increasing product versatility
The production line can quickly generate and collect production data, providing effective support for planned production
Lays a good foundation for future digital production.
APPLICATION
Cold-chain transportation
Refrigeration compressors are used in logistics centers for refrigerated vehicles and cold storage facilities. They are used to maintain the appropriate temperature of goods during transportation, ensuring the quality and safety of the goods.
commercial refrigeration
Refrigeration compressors are used in supermarkets and convenience stores for refrigeration and freezing equipment, such as refrigerators, freezers, and refrigerated shelves, etc. They can maintain the appropriate temperature for food and beverages, ensuring the freshness and quality of the products.
Medical refrigeration
In pharmaceutical refrigeration, the compressor is the core component of pharmaceutical refrigeration equipment, mainlThe performance test station has also been calibrated by a nationally recognized metrology testing center to verify the rationality of the design, manufacturing, and assembly of the refrigeration compressors, ensuring that the performance index of the refrigeration compressors meets the industry's advanced standards!y used to provide refrigeration effect, ensure the storage and transportation of drugs within the appropriate temperature range, thereby ensuring the quality and effectiveness of drugs.
industrial refrigeration
Refrigeration compressors play an important role in industrial fields such as high & low temperature alternating test chambers. They are usually used to simulate different environmental temperature conditions for testing and evaluating products in industries such as electronics, automotive, aerospace, etc., providing stable and reliable refrigeration effects to ensure the performance and reliability of products under different temperature conditions.
R & D STRENGTH
Briliant's professional production and processing technology and outstanding design quality are the cornerstones and premise of Briliant's refrigeration industry. Briliant adheres to the scientific testing method, which is the best quality assurance and commitment of Briliantto customers. Briliant will open the first brand of refrigeration compressors, so that customers can truly understand the true meaning of quality.“GB/T10079-2018Single-stage reciprocating refrigerant compressor (unit)” new national standard for the first time put forward the concept of "accelerated life", mainly for the domestic industry generally on the compressor body, crankshaft and other materials on the application of low standards, strict requirements, appeared It can be used at the beginning, and after a period of time, the quality of the life cycle is generally severely declining. The new national standard stipulates that the range of noise and cooling capacity in the life cycle of the compressor does not exceed 3dB(A) and 5% of the new machine respectively.
TESTING CENTER
Briliant insists on scientific and professional testing methods constantly. The company has built three refrigeration compressor performance testing stations and an online testing assembly line. The refrigeration compressor performance testing stations covering semi-hermetic refrigeration piston compressors and semi-hermetic refrigeration screw compressors. Our online testing process covers key parameters such as airtightness testing, forward and reverse voltage, current, oil pressure, and volume flow rate for each refrigeration compressor. We also monitor and record the performance of refrigeration compressors under different operating conditions in real-time. By obtaining real-time data five times and generating an average value, we can more accurately evaluate the conventional performance indicators of refrigeration compressors, ensuring that each refrigeration compressor leaves the factory without any quality defects.The refrigeration compressor performance testing stations differ from the online testing assembly line in that the former adopts imported high-precision measuring instruments. The performance testing stations are built based on the “GB/T5773-2004The method of performance test for positive displacement refrigerant compressors” and the refrigeration compressor performance testing is conducted based on the " GB/T 10079-2018 Single-stage reciprocating refrigerant compressor(unit) "and" GB/T19410-2018 Screw refrigeration compressor".
FEATURES & ADVANTAGES
The new body is optimized in structure design, with a novel appearance and high structural strength, improved durability with cylinder bore hardening process.
The new cylinder head is optimized in structure design, reducing exhaust pulses and lowering operating noise.
The new valve plate is optimized in structure design, improving exhaust efficiency and enhancing shock resistance.
The new bearing is optimized in structure design, increasing lubrication effectiveness and reducing the risk of shaft seizure.
The new motor is optimized in structure design, improving operational efficiency, increasing overload capacity, and expanding the operating range.
The new piston optimizes the piston structure and reduces the clearance volume.
Thinner piston ring design reduces friction loss.
The Industrial Energy-Saving Screw Refrigeration Compressor is engineered for industrial and commercial refrigeration applications, offering high energy efficiency, reliable performance, and long service life. Utilizing advanced screw technology and durable semi-hermetic construction, this compressor ensures consistent cooling capacity with low noise and reduced operational costs.
Ideal for cold storage warehouses, food processing facilities, and industrial refrigeration systems, it provides stable performance under varying load conditions and ensures efficient temperature control for all industrial cooling applications.
Energy-Saving Design: Advanced screw rotors reduce power consumption while maintaining optimal cooling capacity.
Durable Construction: Semi-hermetic design with industrial-grade materials ensures long-term reliability.
Low Noise & Vibration: Smooth operation suitable for commercial and industrial environments.
Wide Operating Range: Supports both medium and low-temperature refrigeration applications.
Compact & Easy Integration: Can be easily installed in new or existing systems.
Adjustable Capacity: Optimizes performance and efficiency for partial load operation.
High Energy Efficiency: Reduces electricity usage without compromising performance.
Reliable Operation: Maintains stable cooling under heavy-duty industrial conditions.
Long Service Life: Built with precision engineering and robust materials.
Low Maintenance: Semi-hermetic design simplifies maintenance and reduces downtime.
Versatile Applications: Suitable for a wide range of industrial and commercial refrigeration systems.
Cold Storage & Warehousing: Reliable low-temperature performance for food, pharmaceuticals, and industrial goods.
Food & Beverage Processing: Consistent cooling ensures product quality and safety.
Industrial Refrigeration: Heavy-duty cooling for factories, chemical plants, and processing facilities.
Commercial Refrigeration Systems: Energy-efficient solution for supermarkets, logistics cold chains, and large refrigeration units.
Custom Industrial Cooling Solutions: Can be integrated into tailored systems for specific industrial needs.
The Industrial Energy-Saving Screw Refrigeration Compressor is engineered for industrial and commercial refrigeration applications, offering high energy efficiency, reliable performance, and long service life. Utilizing advanced screw technology and durable semi-hermetic construction, this compressor ensures consistent cooling capacity with low noise and reduced operational costs.
Ideal for cold storage warehouses, food processing facilities, and industrial refrigeration systems, it provides stable performance under varying load conditions and ensures efficient temperature control for all industrial cooling applications.
Energy-Saving Design: Advanced screw rotors reduce power consumption while maintaining optimal cooling capacity.
Durable Construction: Semi-hermetic design with industrial-grade materials ensures long-term reliability.
Low Noise & Vibration: Smooth operation suitable for commercial and industrial environments.
Wide Operating Range: Supports both medium and low-temperature refrigeration applications.
Compact & Easy Integration: Can be easily installed in new or existing systems.
Adjustable Capacity: Optimizes performance and efficiency for partial load operation.
High Energy Efficiency: Reduces electricity usage without compromising performance.
Reliable Operation: Maintains stable cooling under heavy-duty industrial conditions.
Long Service Life: Built with precision engineering and robust materials.
Low Maintenance: Semi-hermetic design simplifies maintenance and reduces downtime.
Versatile Applications: Suitable for a wide range of industrial and commercial refrigeration systems.
Cold Storage & Warehousing: Reliable low-temperature performance for food, pharmaceuticals, and industrial goods.
Food & Beverage Processing: Consistent cooling ensures product quality and safety.
Industrial Refrigeration: Heavy-duty cooling for factories, chemical plants, and processing facilities.
Commercial Refrigeration Systems: Energy-efficient solution for supermarkets, logistics cold chains, and large refrigeration units.
Custom Industrial Cooling Solutions: Can be integrated into tailored systems for specific industrial needs.
This is an industrial energy-saving screw refrigeration compressor, designed for high-efficiency industrial and commercial cooling applications.
It is widely used in:
Cold storage warehouses
Food and beverage processing facilities
Industrial refrigeration systems
Commercial refrigeration units
Customized industrial cooling solutions
It supports common industrial refrigerants, including R134a, R404A, R507A, and other environmentally friendly options depending on model configuration.
Energy-saving screw design
Durable semi-hermetic construction
Low noise and low vibration
Compact design for easy system integration
Adjustable capacity for partial load optimization
Yes, it can replace existing industrial screw compressors, but system compatibility should be confirmed, including refrigerant type, cooling capacity, and electrical requirements.
Compressors: 12 months warranty with technical support
Accessories & parts: Replacement for quality issues
Support: Remote installation guidance and troubleshooting
Yes, we provide wiring diagrams, technical manuals, remote installation support, and troubleshooting assistance.
Yes, it is designed for continuous heavy-duty operation while maintaining stable cooling performance.
Yes, we provide custom compressor specifications, voltage adaptations, installation fittings, and complete refrigeration units tailored to project needs.
Provide the following:
Required cooling capacity
Operating temperature range
Refrigerant type
Preferred compressor model (if any)
Technical drawings or photos (optional)
We will recommend the best solution and provide a prompt quotation.
This is an industrial energy-saving screw refrigeration compressor, designed for high-efficiency industrial and commercial cooling applications.
It is widely used in:
Cold storage warehouses
Food and beverage processing facilities
Industrial refrigeration systems
Commercial refrigeration units
Customized industrial cooling solutions
It supports common industrial refrigerants, including R134a, R404A, R507A, and other environmentally friendly options depending on model configuration.
Energy-saving screw design
Durable semi-hermetic construction
Low noise and low vibration
Compact design for easy system integration
Adjustable capacity for partial load optimization
Yes, it can replace existing industrial screw compressors, but system compatibility should be confirmed, including refrigerant type, cooling capacity, and electrical requirements.
Compressors: 12 months warranty with technical support
Accessories & parts: Replacement for quality issues
Support: Remote installation guidance and troubleshooting
Yes, we provide wiring diagrams, technical manuals, remote installation support, and troubleshooting assistance.
Yes, it is designed for continuous heavy-duty operation while maintaining stable cooling performance.
Yes, we provide custom compressor specifications, voltage adaptations, installation fittings, and complete refrigeration units tailored to project needs.
Provide the following:
Required cooling capacity
Operating temperature range
Refrigerant type
Preferred compressor model (if any)
Technical drawings or photos (optional)
We will recommend the best solution and provide a prompt quotation.
Product Parameter
| Parameter | Value |
|---|---|
| Product Name | Energy-Saving Screw Compressor |
| Model | YLG20Z-84 screw compressor |
| Lubrication Method | Lubricated |
| Cooling System | Air-cooled |
| Power Source | AC |
| Structure Type | Semi-hermetic |
| Installation Type | Mobile |
| Type | Single-screw compressor |
| Displacement | 0.8-1.2 m³/min |
| Power | 7.5 kW |
| Compression Stage | Single-stage |
| Lubricant Capacity | 12 liters |
| Cooling Method | Air-cooling/Water-cooling |
| Voltage | 380V/50Hz |
| Minimum Order Quantity | 1 set/unit |
| Drive Method | Direct drive |
| Oil-free Type | Yes |
| Power Range | 4 kW to 355 kW |
| Origin | China |
The Energy-Saving Variable Speed Screw Compressor by Blait is engineered for industrial use. The YLG20Z-84 model is a reliable, single-stage compressor. Its direct drive system ensures efficient and smooth operation.
This compressor operates with a displacement of 0.8-1.2 m³/min, ideal for various industrial needs. It features a semi-hermetic structure and supports both air-cooling and water-cooling.
With a power capacity of 7.5 kW and a voltage requirement of 380V/50Hz, it delivers consistent performance. The lubrication method supports smooth operation with 12 liters of lubricant.
This model offers flexibility with its mobile installation type. Its oil-free design provides clean operation, suitable for demanding applications.
The power range from 4 kW to 355 kW makes it adaptable to various industrial setups. With a minimum order quantity of 1 unit, Blait ensures accessibility for businesses of all sizes.
Blait's screw compressors are designed for durability and energy efficiency, delivering reliable results for industrial applications.
| Technical Parameter | Description |
|---|---|
| Product Model | YLG20Z-84 ~ YLG30Z-118 |
| Tooth Profile Line | YZ57, composed of arcs and higher-order curves |
| Temperature Sensor | Standard PTC110°C |
| High-Pressure Working Conditions | Pressure difference resistance of 2.0MPa |
| Protection Module | Standard INT69 FSY protection module |
| Area Utilization Coefficient | 0.41 & 0.45 |
| Oil Flow Monitoring | Equipped with oil flow switch and monitoring of oil circulation as standard |
| Leakage Triangle Area | Smaller than conventional wires, reducing leakage losses effectively |
| Engine Displacement (50Hz) | 84m³/h ~ 118m³/h |
| Engine Displacement (60Hz) | 101m³/h ~ 142m³/h |
The Variable Speed Screw Compressor by Blait is an innovative solution for diverse industrial needs. Models range from YLG20Z-84 to YLG30Z-118, featuring an advanced YZ57 tooth profile line for optimized performance. Equipped with a PTC110°C temperature sensor and INT69 FSY protection module, it ensures safety and reliability under high-pressure conditions (up to 2.0MPa). A high area utilization coefficient (0.41 & 0.45) and minimized leakage triangle area enhance energy efficiency. With engine displacement of 84m³/h to 118m³/h (50Hz) and 101m³/h to 142m³/h (60Hz), plus standard oil flow monitoring, this compressor is durable, efficient, and ideal for demanding applications.
Dimensional Drawings:

Suction, Exhaust Valve Connector
| MODEL | YLG20Z-84 | YLG25Z-100 | YLG30Z-118 |
| SL | φ54(21/8") | φ54(2 1/8") | φ54(2 1/8") |
| DL | φ42(13/8") | φ42(1 3/8") | φ42(1 3/8") |
Application Scope lcon

Performance Parameter Table (R22)
Freqency 50 Hz
Based on 10 degree suction superheat;
and liquid re-cooling (Economiser operation)
| Compressor type | Cond temp(℃) | Qo(kw) Pe(kW) | Cooling capacity Qo (kw) Power consumption Pe (kW) | |||||||
| Evaporating temperatue (C ) | ||||||||||
| -10 | -15 | -20 | -25 | -30 | -35 | -40 | -45 | |||
| YLG20Z-84 | 30 | Qo | 61.9 | 51.9 | 43.4 | 35.9 | 29.3 | 23.5 | 18.4 | 14.1 |
| Pe | 19.4 | 18.5 | 16.9 | 16.6 | 15.8 | 15.2 | 14.6 | 13.9 | ||
| 40 | Qo | 59.1 | 49.5 | 41.3 | 34 | 27.6 | 21.9 | 17.1 | 12.8 | |
| Pe | 23.2 | 22.2 | 21.3 | 20.5 | 19.7 | 19.2 | 18.3 | 17.4 | ||
| 50 | Qo | 55.1 | 46.3 | 38.4 | 31.4 | 25.2 | 19.8 | 15 | ||
| Pe | 27.8 | 26.8 | 26.2 | 25.3 | 24.5 | 23.2 | 21.8 | |||
| YLG25Z-100 | 30 | Qo | 71.4 | 60.6 | 50.9 | 42.3 | 34.7 | 28 | 22.2 | 17.2 |
| Pe | 22.2 | 21.3 | 20.5 | 19.8 | 18.6 | 17.9 | 17.2 | 16.6 | ||
| 40 | Qo | 68.7 | 58.1 | 48.6 | 40.3 | 32.8 | 26.4 | 20.7 | 15.8 | |
| Pe | 26.5 | 25.4 | 24.5 | 23.6 | 22.7 | 21.8 | 20.9 | 20.1 | ||
| 50 | Qo | 65.1 | 54.9 | 45.7 | 37.5 | 30.3 | 23.9 | 18.4 | ||
| Pe | 31.8 | 30.7 | 29.5 | 28.6 | 27.7 | 26.1 | 25 | |||
| YLG30Z-118 | 30 | Qo | 83.1 | 70.5 | 59.3 | 49.4 | 40.6 | 32.8 | 26.1 | 20.2 |
| Pe | 25.9 | 24.7 | 23.5 | 22.4 | 21.4 | 20.5 | 19.6 | 18.8 | ||
| 40 | Qo | 79.9 | 67.6 | 56.7 | 47 | 38.5 | 30.9 | 24.4 | 18.7 | |
| Pe | 30.5 | 29.3 | 28.2 | 27.1 | 26 | 25.1 | 23.9 | 22.8 | ||
| 50 | Qo | 75.2 | 63.6 | 53.1 | 43.8 | 35.5 | 28.2 | 21.8 | ||
| Pe | 36.5 | 35.6 | 33.9 | 32.6 | 31.5 | 30.3 | 28.7 | |||
Performance Parameter Table (R404A/R507A)
Freqency 50 Hz
Based on 10 degree suction superheat;
and liquid re-cooling (Economiser operation)
| Compressor type | Cond temp(℃) | Qo(kw) Pe(kW) | Cooling capacity Qo (kw) Power consumption Pe (kW) | ||||||
| Evaporating temperatue (C ) | |||||||||
| -15 | -20 | -25 | -30 | -35 | -40 | -45 | |||
| YLG20Z-84 | 30 | Qo | 56.8 | 47.9 | 40 | 33 | 26.8 | 21.4 | 16.7 |
| Pe | 22.6 | 22.1 | 21.4 | 20.7 | 19.7 | 18.6 | 18 | ||
| 40 | Qo | 53.7 | 53.7 | 37.5 | 30.7 | 24.7 | 19.5 | 14.9 | |
| Pe | 28.3 | 28.3 | 26.8 | 25.8 | 24.7 | 23.5 | 21.9 | ||
| 50 | Qo | 34.2 | 27.1 | 21.6 | 16.5 | 11.9 | |||
| Pe | 32.1 | 30.9 | 29.5 | 28.5 | 26.3 | ||||
| YLG25Z-100 | 30 | Qo | 66.3 | 55.9 | 46.7 | 38.5 | 31.3 | 25.1 | 19.6 |
| Pe | 25.3 | 24.5 | 23.8 | 22.9 | 22.5 | 21.2 | 20.3 | ||
| 40 | Qo | 62.6 | 52.7 | 43.9 | 36 | 29.1 | 23 | 17.7 | |
| Pe | 31.8 | 31.2 | 28.8 | 29.2 | 28.2 | 26.5 | 24.8 | ||
| 50 | Qo | 42.6 | 33.7 | 25.7 | 19.8 | 14.6 | |||
| Pe | 40.2 | 37.7 | 34.8 | 32.6 | 30.2 | ||||
| YLG30Z-118 | 30 | Qo | 75.6 | 63.9 | 53.4 | 44.1 | 36 | 28.9 | 22.7 |
| Pe | 29.1 | 28.1 | 27.2 | 26.3 | 24.9 | 24.1 | 22.8 | ||
| 40 | Qo | 71.4 | 60.3 | 50.3 | 41.5 | 33.8 | 26.9 | 21 | |
| Pe | 36.2 | 35.2 | 33.8 | 32.8 | 31.2 | 30 | 28.5 | ||
| 50 | Qo | 46.2 | 38 | 30.8 | 24 | 18.3 | |||
| Pe | 41.5 | 40.1 | 38.4 | 37.7 | 35.2 | ||||
Technical Data Sheet
| Compressor type | Displacement (50Hz) | Displacement (60Hz) | Discharge pipe | Suction pipe | Energy regulation | Power supply | Maximumoperating current | Maximumpower | Start/locked rotor current | Weight |
| m³/h | mm (inch) | % | V/φ/Hz | A | kW | A | kg | |||
| YLG20Z-84 | 84 | 101 | φ42(15/8") | φ54(21/8") | 100/90/55 | 400±10% △/△△3~/50HZ 460±10% △/△△3~/60HZ Part Winding | 48 | 29 | 129/210 | 166 |
| YLG30G-84 | 84 | 101 | 100/90/70 | 52 | 33 | 126/218 | 170 | |||
| YLG25Z-100 | 100 | 121 | 100/80/45 | 52 | 33 | 126/218 | 169 | |||
| YLG35G-100 | 100 | 121 | 100/85/60 | 58 | 37.3 | 153/266 | 178 | |||
| YLG30Z-118 | 118 | 142 | 100/75/45 | 58 | 37 | 153/266 | 174 | |||
| YLG40G-118 | 118 | 142 | 100/80/55 | 66 | 42 | 182/311 | 183 | |||
Product Parameter
| Parameter | Value |
|---|---|
| Product Name | Energy-Saving Screw Compressor |
| Model | YLG20Z-84 screw compressor |
| Lubrication Method | Lubricated |
| Cooling System | Air-cooled |
| Power Source | AC |
| Structure Type | Semi-hermetic |
| Installation Type | Mobile |
| Type | Single-screw compressor |
| Displacement | 0.8-1.2 m³/min |
| Power | 7.5 kW |
| Compression Stage | Single-stage |
| Lubricant Capacity | 12 liters |
| Cooling Method | Air-cooling/Water-cooling |
| Voltage | 380V/50Hz |
| Minimum Order Quantity | 1 set/unit |
| Drive Method | Direct drive |
| Oil-free Type | Yes |
| Power Range | 4 kW to 355 kW |
| Origin | China |
The Energy-Saving Variable Speed Screw Compressor by Blait is engineered for industrial use. The YLG20Z-84 model is a reliable, single-stage compressor. Its direct drive system ensures efficient and smooth operation.
This compressor operates with a displacement of 0.8-1.2 m³/min, ideal for various industrial needs. It features a semi-hermetic structure and supports both air-cooling and water-cooling.
With a power capacity of 7.5 kW and a voltage requirement of 380V/50Hz, it delivers consistent performance. The lubrication method supports smooth operation with 12 liters of lubricant.
This model offers flexibility with its mobile installation type. Its oil-free design provides clean operation, suitable for demanding applications.
The power range from 4 kW to 355 kW makes it adaptable to various industrial setups. With a minimum order quantity of 1 unit, Blait ensures accessibility for businesses of all sizes.
Blait's screw compressors are designed for durability and energy efficiency, delivering reliable results for industrial applications.
| Technical Parameter | Description |
|---|---|
| Product Model | YLG20Z-84 ~ YLG30Z-118 |
| Tooth Profile Line | YZ57, composed of arcs and higher-order curves |
| Temperature Sensor | Standard PTC110°C |
| High-Pressure Working Conditions | Pressure difference resistance of 2.0MPa |
| Protection Module | Standard INT69 FSY protection module |
| Area Utilization Coefficient | 0.41 & 0.45 |
| Oil Flow Monitoring | Equipped with oil flow switch and monitoring of oil circulation as standard |
| Leakage Triangle Area | Smaller than conventional wires, reducing leakage losses effectively |
| Engine Displacement (50Hz) | 84m³/h ~ 118m³/h |
| Engine Displacement (60Hz) | 101m³/h ~ 142m³/h |
The Variable Speed Screw Compressor by Blait is an innovative solution for diverse industrial needs. Models range from YLG20Z-84 to YLG30Z-118, featuring an advanced YZ57 tooth profile line for optimized performance. Equipped with a PTC110°C temperature sensor and INT69 FSY protection module, it ensures safety and reliability under high-pressure conditions (up to 2.0MPa). A high area utilization coefficient (0.41 & 0.45) and minimized leakage triangle area enhance energy efficiency. With engine displacement of 84m³/h to 118m³/h (50Hz) and 101m³/h to 142m³/h (60Hz), plus standard oil flow monitoring, this compressor is durable, efficient, and ideal for demanding applications.
Dimensional Drawings:

Suction, Exhaust Valve Connector
| MODEL | YLG20Z-84 | YLG25Z-100 | YLG30Z-118 |
| SL | φ54(21/8") | φ54(2 1/8") | φ54(2 1/8") |
| DL | φ42(13/8") | φ42(1 3/8") | φ42(1 3/8") |
Application Scope lcon

Performance Parameter Table (R22)
Freqency 50 Hz
Based on 10 degree suction superheat;
and liquid re-cooling (Economiser operation)
| Compressor type | Cond temp(℃) | Qo(kw) Pe(kW) | Cooling capacity Qo (kw) Power consumption Pe (kW) | |||||||
| Evaporating temperatue (C ) | ||||||||||
| -10 | -15 | -20 | -25 | -30 | -35 | -40 | -45 | |||
| YLG20Z-84 | 30 | Qo | 61.9 | 51.9 | 43.4 | 35.9 | 29.3 | 23.5 | 18.4 | 14.1 |
| Pe | 19.4 | 18.5 | 16.9 | 16.6 | 15.8 | 15.2 | 14.6 | 13.9 | ||
| 40 | Qo | 59.1 | 49.5 | 41.3 | 34 | 27.6 | 21.9 | 17.1 | 12.8 | |
| Pe | 23.2 | 22.2 | 21.3 | 20.5 | 19.7 | 19.2 | 18.3 | 17.4 | ||
| 50 | Qo | 55.1 | 46.3 | 38.4 | 31.4 | 25.2 | 19.8 | 15 | ||
| Pe | 27.8 | 26.8 | 26.2 | 25.3 | 24.5 | 23.2 | 21.8 | |||
| YLG25Z-100 | 30 | Qo | 71.4 | 60.6 | 50.9 | 42.3 | 34.7 | 28 | 22.2 | 17.2 |
| Pe | 22.2 | 21.3 | 20.5 | 19.8 | 18.6 | 17.9 | 17.2 | 16.6 | ||
| 40 | Qo | 68.7 | 58.1 | 48.6 | 40.3 | 32.8 | 26.4 | 20.7 | 15.8 | |
| Pe | 26.5 | 25.4 | 24.5 | 23.6 | 22.7 | 21.8 | 20.9 | 20.1 | ||
| 50 | Qo | 65.1 | 54.9 | 45.7 | 37.5 | 30.3 | 23.9 | 18.4 | ||
| Pe | 31.8 | 30.7 | 29.5 | 28.6 | 27.7 | 26.1 | 25 | |||
| YLG30Z-118 | 30 | Qo | 83.1 | 70.5 | 59.3 | 49.4 | 40.6 | 32.8 | 26.1 | 20.2 |
| Pe | 25.9 | 24.7 | 23.5 | 22.4 | 21.4 | 20.5 | 19.6 | 18.8 | ||
| 40 | Qo | 79.9 | 67.6 | 56.7 | 47 | 38.5 | 30.9 | 24.4 | 18.7 | |
| Pe | 30.5 | 29.3 | 28.2 | 27.1 | 26 | 25.1 | 23.9 | 22.8 | ||
| 50 | Qo | 75.2 | 63.6 | 53.1 | 43.8 | 35.5 | 28.2 | 21.8 | ||
| Pe | 36.5 | 35.6 | 33.9 | 32.6 | 31.5 | 30.3 | 28.7 | |||
Performance Parameter Table (R404A/R507A)
Freqency 50 Hz
Based on 10 degree suction superheat;
and liquid re-cooling (Economiser operation)
| Compressor type | Cond temp(℃) | Qo(kw) Pe(kW) | Cooling capacity Qo (kw) Power consumption Pe (kW) | ||||||
| Evaporating temperatue (C ) | |||||||||
| -15 | -20 | -25 | -30 | -35 | -40 | -45 | |||
| YLG20Z-84 | 30 | Qo | 56.8 | 47.9 | 40 | 33 | 26.8 | 21.4 | 16.7 |
| Pe | 22.6 | 22.1 | 21.4 | 20.7 | 19.7 | 18.6 | 18 | ||
| 40 | Qo | 53.7 | 53.7 | 37.5 | 30.7 | 24.7 | 19.5 | 14.9 | |
| Pe | 28.3 | 28.3 | 26.8 | 25.8 | 24.7 | 23.5 | 21.9 | ||
| 50 | Qo | 34.2 | 27.1 | 21.6 | 16.5 | 11.9 | |||
| Pe | 32.1 | 30.9 | 29.5 | 28.5 | 26.3 | ||||
| YLG25Z-100 | 30 | Qo | 66.3 | 55.9 | 46.7 | 38.5 | 31.3 | 25.1 | 19.6 |
| Pe | 25.3 | 24.5 | 23.8 | 22.9 | 22.5 | 21.2 | 20.3 | ||
| 40 | Qo | 62.6 | 52.7 | 43.9 | 36 | 29.1 | 23 | 17.7 | |
| Pe | 31.8 | 31.2 | 28.8 | 29.2 | 28.2 | 26.5 | 24.8 | ||
| 50 | Qo | 42.6 | 33.7 | 25.7 | 19.8 | 14.6 | |||
| Pe | 40.2 | 37.7 | 34.8 | 32.6 | 30.2 | ||||
| YLG30Z-118 | 30 | Qo | 75.6 | 63.9 | 53.4 | 44.1 | 36 | 28.9 | 22.7 |
| Pe | 29.1 | 28.1 | 27.2 | 26.3 | 24.9 | 24.1 | 22.8 | ||
| 40 | Qo | 71.4 | 60.3 | 50.3 | 41.5 | 33.8 | 26.9 | 21 | |
| Pe | 36.2 | 35.2 | 33.8 | 32.8 | 31.2 | 30 | 28.5 | ||
| 50 | Qo | 46.2 | 38 | 30.8 | 24 | 18.3 | |||
| Pe | 41.5 | 40.1 | 38.4 | 37.7 | 35.2 | ||||
Technical Data Sheet
| Compressor type | Displacement (50Hz) | Displacement (60Hz) | Discharge pipe | Suction pipe | Energy regulation | Power supply | Maximumoperating current | Maximumpower | Start/locked rotor current | Weight |
| m³/h | mm (inch) | % | V/φ/Hz | A | kW | A | kg | |||
| YLG20Z-84 | 84 | 101 | φ42(15/8") | φ54(21/8") | 100/90/55 | 400±10% △/△△3~/50HZ 460±10% △/△△3~/60HZ Part Winding | 48 | 29 | 129/210 | 166 |
| YLG30G-84 | 84 | 101 | 100/90/70 | 52 | 33 | 126/218 | 170 | |||
| YLG25Z-100 | 100 | 121 | 100/80/45 | 52 | 33 | 126/218 | 169 | |||
| YLG35G-100 | 100 | 121 | 100/85/60 | 58 | 37.3 | 153/266 | 178 | |||
| YLG30Z-118 | 118 | 142 | 100/75/45 | 58 | 37 | 153/266 | 174 | |||
| YLG40G-118 | 118 | 142 | 100/80/55 | 66 | 42 | 182/311 | 183 | |||
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